A 1x102-kg crate is being pushed across a horizontal floor, Ask an Expert

Academics

Q. A 1x10^2-kg crate is being pushed across a horizontal floor by a force that makes an angle of 30.0° below the horizontal. The coefficient of kinetic friction is 0.25. What must be the magnitude of, so that the net work completed by it and the kinetic frictional force is zero?

View complete question

Physics, Academics

Category:- Physics
Reference No.:- M9352802

Have any Question?Write your Review or question?

Related Questions in Physics

Questionnbspthe three 250g masses are connected by massless

Question: The three 250g masses are connected by massless, rigid rods. What is the triangle's moment of inertia about the axis through the center? What is the triangle's kinetic energy if it rotates about the axis at 6. ...

Question a real image is four times as far from a lens as

Question: A real image is four times as far from a lens as is theobject. What is the object distance, measured in focal lengths? ____from the lens The response must be typed, single spaced, must be in times new roman fon ...

Question an object of mass m attached to a spring of force

Question: An object of mass m attached to a spring of force constant k oscillates with simple harmonic motion. The maximum displacement from equilibrium is A and the total mechanical energy of the system is E. What is th ...

Question suppose the emf generated by a coil rotating in a

Question: Suppose the emf generated by a coil rotating in a magnetic field is zero at t=0 and increases to its first peak at to=0.11 ms. When is the emf first one-fourth of its maximum, in seconds? When is the emf next o ...

Question a softball pitcher throws an underhanded pitch

Question: A softball pitcher throws an underhanded pitch with the arm fully extended (straight at the elbow). The ball leaves the pitcher's hand with a speed of 25 m/s. Assume that the pitching motion originates with the ...

Question tarzan in one tree sights jane in another tree he

Question: Tarzan, in one tree, sights Jane in another tree. He grabs the end of a vine with length 20 m that makes an angle of 45 degrees with the vertical, steps off his tree limb, and swings down and then up to Jane's ...

Question a parallel-plate air capacitor has a capacitance

Question: A parallel-plate air capacitor has a capacitance of 920 pF. The charge on each plate is 2.55 ÂµC. (a) What is the potential difference between the plates? (b) If the charge is kept constant, what will be the po ...

One cubic meter 100m3 of concrete has a mass of 230e3kg and

One cubic meter (1.00m^3) of concrete has a mass of 2.30E+3kg, and 1.00m^3 of copper has a mass of 8.92E+3kg. Find the radius of an concrete sphere whose mass is the same as that of an copper sphere of radius 1.28cm?

Describe the effect on speed frequency and wavelength of a

Describe the effect on speed, frequency, and wavelength of a sound traveling from warm to cold air. (hint:cold air is more dense than warm air).

Question a pendulum has a period of 177 s on earthpart a

Question: A pendulum has a period of 1.77 s on Earth. Part A: What is its period on Mars, where the acceleration of gravity is about 0.37 that on Earth? Express your answer to two significant figures and include the appr ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Physics Expert